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Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 6 - Problem 8q
Get Full Access to Physics: Principles With Applications - 6 Edition - Chapter 6 - Problem 8q

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# A hand exerts a constant horizontal force on a block that

ISBN: 9780130606204 3

## Solution for problem 8Q Chapter 6

Physics: Principles with Applications | 6th Edition

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Problem 8Q

A hand exerts a constant horizontal force on a block that is free to slide on a frictionless surface (Fig.  ). The block starts from rest at point , and by the time it has traveled a distance  to point  it is traveling with speed $$v_{B}$$. When the block has traveled another distance  to point  will its speed be greater than, less than, or equal to $$2 v_{B}$$ ? Explain your reasoning.

Equation Transcription:

Text Transcription:

v_B

2_vB

Step-by-Step Solution:

Solution 8Q:

Step 1 of 2:-

Here we have to find whether the speed of the block will be less than, greater than or equal to .

A constant horizontal force was applied on the block.

The block travelled the distance “d”.

The work done is,

.

Again the same force is there and the block travelled “d” distance again.

So, the work done is again .

Step 2 of 2

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